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    IEC 62852-2014 Connectors for DC-application in photovoltaic systems - Safety requirements and tests《光伏系统中的直流应用连接器 安全要求和试验》.pdf

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    IEC 62852-2014 Connectors for DC-application in photovoltaic systems - Safety requirements and tests《光伏系统中的直流应用连接器 安全要求和试验》.pdf

    1、 IEC 62852 Edition 1.0 2014-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Connectors for DC-application in photovoltaic systems Safety requirements and tests Connecteurs pour applications en courant continu pour systmes photovoltaques Exigences de scurit et essais IEC62852:2014-11(en-fr) THIS PUBLI

    2、CATION IS COPYRIGHT PROTECTED Copyright 2014 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing

    3、from either IEC or IECs member National Committee in the country of the requester. If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further informat

    4、ion. Droits de reproduction rservs. Sauf indication contraire, aucune partie de cette publication ne peut tre reproduite ni utilise sous quelque forme que ce soit et par aucun procd, lectronique ou mcanique, y compris la photocopie et les microfilms, sans laccord crit de lIEC ou du Comit national de

    5、 lIEC du pays du demandeur. Si vous avez des questions sur le copyright de lIEC ou si vous dsirez obtenir des droits supplmentaires sur cette publication, utilisez les coordonnes ci-aprs ou contactez le Comit national de lIEC de votre pays de rsidence. IEC Central Office Tel.: +41 22 919 02 11 3, ru

    6、e de Varemb Fax: +41 22 919 03 00 CH-1211 Geneva 20 infoiec.ch Switzerland www.iec.ch About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. Abou

    7、t IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latest edition, a corrigenda or an amendment might have been published. IEC Catalogue - webstore.iec.ch/catalogue The stand-alone application for consulting the e

    8、ntire bibliographical information on IEC International Standards, Technical Specifications, Technical Reports and other documents. Available for PC, Mac OS, Android Tablets and iPad. IEC publications search - www.iec.ch/searchpub The advanced search enables to find IEC publications by a variety of c

    9、riteria (reference number, text, technical committee,). It also gives information on projects, replaced and withdrawn publications. IEC Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published details all new publications released. Available online a

    10、nd also once a month by email. Electropedia - www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 30 000 terms and definitions in English and French, with equivalent terms in 14 additional languages. Also known as the International Electr

    11、otechnical Vocabulary (IEV) online. IEC Glossary - std.iec.ch/glossary More than 55 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002. Some entries have been collected from earlier publications of IEC

    12、TC 37, 77, 86 and CISPR. IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. A propos de lIEC La Commission Electrotechnique Internationale (IEC) est la premire o

    13、rganisation mondiale qui labore et publie des Normes internationales pour tout ce qui a trait llectricit, llectronique et aux technologies apparentes. A propos des publications IEC Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possdez ldition la plus

    14、rcente, un corrigendum ou amendement peut avoir t publi. Catalogue IEC - webstore.iec.ch/catalogue Application autonome pour consulter tous les renseignements bibliographiques sur les Normes internationales, Spcifications techniques, Rapports techniques et autres documents de lIEC. Disponible pour P

    15、C, Mac OS, tablettes Android et iPad. Recherche de publications IEC - www.iec.ch/searchpub La recherche avance permet de trouver des publications IEC en utilisant diffrents critres (numro de rfrence, texte, comit dtudes,). Elle donne aussi des informations sur les projets et les publications remplac

    16、es ou retires. IEC Just Published - webstore.iec.ch/justpublished Restez inform sur les nouvelles publications IEC. Just Published dtaille les nouvelles publications parues. Disponible en ligne et aussi une fois par mois par email. Electropedia - www.electropedia.org Le premier dictionnaire en ligne

    17、 de termes lectroniques et lectriques. Il contient plus de 30 000 termes et dfinitions en anglais et en franais, ainsi que les termes quivalents dans 14 langues additionnelles. Egalement appel Vocabulaire Electrotechnique International (IEV) en ligne. Glossaire IEC - std.iec.ch/glossary Plus de 55 0

    18、00 entres terminologiques lectrotechniques, en anglais et en franais, extraites des articles Termes et Dfinitions des publications IEC parues depuis 2002. Plus certaines entres antrieures extraites des publications des CE 37, 77, 86 et CISPR de lIEC. Service Clients - webstore.iec.ch/csc Si vous dsi

    19、rez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62852 Edition 1.0 2014-11 INTERNATIONAL STANDARD NORME INTERNATIONALE Connectors for DC-application in photovoltaic systems Safety requirements and tests Connecteurs pour applications

    20、en courant continu pour systmes photovoltaques Exigences de scurit et essais INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE X ICS 27.160 PRICE CODE CODE PRIX ISBN 978-2-8322-1898-3 Registered trademark of the International Electrotechnical Commission Marque dpos

    21、e de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agr. 2 IEC 62852:2014 IEC 2014 CONTENTS FOREWORD . 4 1 Scope 6 2 Normat

    22、ive references 6 3 Terms and definitions 8 4 Classification . 12 4.1 General . 12 4.2 Type of connector . 12 4.3 Additional characteristics 12 5 Constructional requirements and performance . 13 5.1 General . 13 5.2 Marking and identification . 13 Identification 13 5.2.1Marking . 13 5.2.2Technical do

    23、cumentation . 13 5.2.35.3 Provision against incorrect mating (non-intermateable) . 14 5.4 Protection against electric shock . 14 5.5 Terminations and connection methods 14 5.6 Resistance to deterioration . 15 5.7 General design . 15 5.8 Design of a free connector 15 5.9 Degree of protection (IP Code

    24、) . 16 5.10 Dielectric strength . 16 5.11 Mechanical and electrical durability . 16 5.12 Range of ambient temperature 16 5.13 Temperature rise 16 5.14 Cable anchorage . 16 5.15 Mechanical strength 17 5.16 Connector without locking device 17 5.17 Connector with locking device . 17 5.18 Clearances and

    25、 creepage distances 17 General . 17 5.18.1Clearances 18 5.18.2Creepage distances . 18 5.18.35.19 Insulation parts . 20 General . 20 5.19.1Outer accessible parts . 20 5.19.2Inner parts . 20 5.19.35.20 Current carrying parts and resistance against corrosion 20 6 Tests . 20 6.1 General . 20 6.2 Prepara

    26、tion of specimens . 21 6.3 Performance of tests . 22 General . 22 6.3.1Durability of marking 23 6.3.2Protection against electric shock . 23 6.3.3Temperature rise . 23 6.3.4IEC 62852:2014 IEC 2014 3 Mechanical operation . 23 6.3.5Bending (flexing) test (see IEC 60309-1:1999, 24.4) 24 6.3.6Measurement

    27、 of clearances and creepage distances . 25 6.3.7Dielectric strength 25 6.3.8Corrosion test 26 6.3.9Mechanical strength at lower temperatures 26 6.3.10Change of temperature (IEC 60068-2-14 test Na) 26 6.3.11Damp heat test 26 6.3.12Insertion and withdrawal force . 27 6.3.13Effectiveness of connector c

    28、oupling device 27 6.3.14Terminations and connecting methods . 27 6.3.156.4 Test schedule (routine test) for non-rewirable free connectors 28 6.5 Test schedule . 28 Annex A (informative) Warning symbols used on connectors . 35 Annex B (normative) Measurement of clearances and creepage distances . 36

    29、Bibliography 40 Figure 1 Device for the bending test. 25 Figure A.1 Symbol “DO NOT DISCONNECT UNDER LOAD“ 35 Figure A.2 Symbol “DO NOT DISCONNECT UNDER LOAD” (IEC 60417-6070) . 35 Figure B.1 Examples of methods of measuring clearances and creepage distances 39 Table 1 Values for cable anchorage test

    30、ing 17 Table 2 Rated impulse voltages and minimum clearances 18 Table 3 Creepage distances for basic insulation. . 19 Table 4 Plan of specimens required for tests 21 Table 5 Values of torque for screw-type clamping units 22 Table 6 Mechanical test group A (test group A are separate tests) . 28 Table

    31、 7 Service life test group B 29 Table 8 Service life test group C 30 Table 9 Thermal test group D (mated test specimen) . 31 Table 10 Climatic test group E (mated test specimen) 32 Table 11 Degree of protection, test group F . 33 Table 12 Insulation material, test group G 34 Table B.1 Dimensions of

    32、X . 36 4 IEC 62852:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ CONNECTORS FOR DC-APPLICATION IN PHOTOVOLTAIC SYSTEMS SAFETY REQUIREMENTS AND TESTS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national ele

    33、ctrotechnical committees (IEC National Committees). The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specif

    34、ications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with may participate in this preparatory work. Internati

    35、onal, governmental and non-governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for Standardization (ISO) in accordance with conditions determined by agreement between the two organizations. 2) The formal

    36、decisions or agreements of IEC on technical matters express, as nearly as possible, an international consensus of opinion on the relevant subjects since each technical committee has representation from all interested IEC National Committees. 3) IEC Publications have the form of recommendations for i

    37、nternational use and are accepted by IEC National Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any misinterpretation by any end user. 4) I

    38、n order to promote international uniformity, IEC National Committees undertake to apply IEC Publications transparently to the maximum extent possible in their national and regional publications. Any divergence between any IEC Publication and the corresponding national or regional publication shall b

    39、e clearly indicated in the latter. 5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certifica

    40、tion bodies. 6) All users should ensure that they have the latest edition of this publication. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury,

    41、 property damage or other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cite

    42、d in this publication. Use of the referenced publications is indispensable for the correct application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifyin

    43、g any or all such patent rights. International Standard IEC 62852 has been prepared by IEC technical committee 82: Solar photovoltaic energy systems. This International Standard is derived from EN 50521. The text of this standard is based on the following documents: FDIS Report on voting 82/878/FDIS

    44、 82/905/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. IEC 62852:2014 IEC 2014 5 The committee has decided that the contents o

    45、f this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. 6 IEC 62852:2014 IEC

    46、 2014 CONNECTORS FOR DC-APPLICATION IN PHOTOVOLTAIC SYSTEMS SAFETY REQUIREMENTS AND TESTS 1 Scope This International Standard applies to connectors for use in the d.c. circuits of photovoltaic systems according to class II of IEC 61140:2001 with rated voltages up to 1 500 V d.c. and rated currents u

    47、p to 125 A per contact. This standard applies to connectors without breaking capacity but which might be engaged and disengaged under voltage. This standard also applies to connectors which are intended to be built-in or integrated in enclosures of devices for photovoltaic systems. This standard may

    48、 be used as a guide for connectors in photovoltaic systems of classes 0 and III according to IEC 61140:2001 as well as for protection for Class II equipment intended for use at less than 50 V d.c. 2 Normative references The following documents, in whole or in part, are normatively referenced in this

    49、 document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60050 (all parts): International Electrotechnical Vocabulary (available at http:/www.electropedia.org) IEC 60060-1:2010, High-voltage test techniques Part 1: General definitions and test r


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